This phrase refers to a specific manga title, indicating a fictional narrative centered on a remarkably swift dissolution of marriage. The implausibly short timeframethree secondshighlights the fantastical nature of the story, setting it apart from typical depictions of marital separation, which usually involve lengthy legal processes and emotional complexities.
The appeal of such a premise likely lies in its escapism and exploration of themes like instant gratification, the superficiality of relationships, or perhaps a satirical commentary on societal views of marriage. Its significance could stem from its ability to generate interest through its absurdity, potentially leading to discussions about relationship dynamics and the perceived ease with which unions can be broken.